ADS7852 Freeze convert output at Immunity test

masahiko shimizu

Other Parts Discussed in Thread: ADS7852

Hi,

My customer is using ADS7852.
At Immunity test, Convert output of ADS7852 freezes as 000h.
Power is re-supplied, then this get well.

Customer is taking measures for immunity.
But customer want to know mechanism of this situation.
Could you give me advice for understanding mechanism, please?

Best regards,
Shimizu

over 9 years ago

0 Jose Duenas over 9 years ago

TI__Genius 9975 points

Hello Shimizu-san,

Could you please include a circuit schematic showing the analog front end, ADS7852 and power supply circuitry?

Also, we will need a detailed description of the immunity test your customer is performing.

Best regards,

Jose

0 masahiko shimizu over 9 years ago in reply to Jose Duenas

Guru 11235 points

Hi Jose,

Thank you for your support.
I explained about latch-up , then my customer agree with this my answer.
I close this question.
Thanks

Best regards,
Shimizu

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ADS7852 Freeze convert output at Immunity test